Институт Механики Им. С.П.Тимошенко Национальной Академии Наук Украины
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Институт Механики Им. С.П.Тимошенко Национальной Академии Наук УкраиныfiledCriticalИнститут Механики Им. С.П.Тимошенко Национальной Академии Наук Украины
Priority to UAU201112487UpriorityCriticalpatent/UA69699U/en
Publication of UA69699UpublicationCriticalpatent/UA69699U/en
A device for formation of directed cracks in wells includes a cylindrical body with a circular lug and executive devices as wedges. By means of a rod with a cone and screw threading on which a nut is turned on one forms pressure on wedges that is transferred by wedges to the walls of the well.
UAU201112487U2011-10-242011-10-24Device for formation of directed cracks in wells
UA69699U
(en)